11553047 has 8 divisors (see below), whose sum is σ = 13344912. Its totient is φ = 9884800.

The previous prime is 11553041. The next prime is 11553067. The reversal of 11553047 is 74035511.

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 11553047 - 2⁸ = 11552791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553041) 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, 30704 + ... + 31077.

It is an arithmetic number, because the mean of its divisors is an integer number (1668114).

Almost surely, 2^11553047 is an apocalyptic number.

11553047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11553047 is a deficient number, since it is larger than the sum of its proper divisors (1791865).

11553047 is a wasteful number, since it uses less digits than its factorization.

11553047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61809.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11553047 is about 3398.9773462028. The cubic root of 11553047 is about 226.0644019869.

Adding to 11553047 its reverse (74035511), we get a palindrome (85588558).

The spelling of 11553047 in words is "eleven million, five hundred fifty-three thousand, forty-seven".