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11877213 = 338310337
BaseRepresentation
bin101101010011…
…101101011101
3211100102110210
4231103231131
511020032323
61102323033
7202645305
oct55235535
924312423
1011877213
116782587
123b89479
1325cb14a
141812605
151099293
hexb53b5d

11877213 has 8 divisors (see below), whose sum is σ = 15879168. Its totient is φ = 7896704.

The previous prime is 11877209. The next prime is 11877241. The reversal of 11877213 is 31277811.

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 11877213 - 22 = 11877209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (1984896).

Almost surely, 211877213 is an apocalyptic number.

It is an amenable number.

11877213 is a deficient number, since it is larger than the sum of its proper divisors (4001955).

11877213 is a wasteful number, since it uses less digits than its factorization.

11877213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723.

The product of its digits is 2352, while the sum is 30.

The square root of 11877213 is about 3446.3332688526. Note that the first 3 decimals coincide. The cubic root of 11877213 is about 228.1593031046.

It can be divided in two parts, 11877 and 213, that added together give a triangular number (12090 = T155).

The spelling of 11877213 in words is "eleven million, eight hundred seventy-seven thousand, two hundred thirteen".

Divisors: 1 3 383 1149 10337 31011 3959071 11877213