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11401213 = 47733323
BaseRepresentation
bin101011011111…
…011111111101
3210110020112011
4223133133331
510404314323
61044211221
7165623455
oct53373775
923406464
1011401213
11648799a
123999b11
1324925a5
15100320d

11401213 has 8 divisors (see below), whose sum is σ = 11806848. Its totient is φ = 11002464.

The previous prime is 11401207. The next prime is 11401231. The reversal of 11401213 is 31210411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11401213 - 213 = 11393021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401193 and 11401202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (1475856).

Almost surely, 211401213 is an apocalyptic number.

It is an amenable number.

11401213 is a deficient number, since it is larger than the sum of its proper divisors (405635).

11401213 is an equidigital number, since it uses as much as digits as its factorization.

11401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11401213 is about 3376.5682282460. The cubic root of 11401213 is about 225.0696936365.

Adding to 11401213 its reverse (31210411), we get a palindrome (42611624).

The spelling of 11401213 in words is "eleven million, four hundred one thousand, two hundred thirteen".

Divisors: 1 47 73 3323 3431 156181 242579 11401213