11572457 has 8 divisors (see below), whose sum is σ = 12492480. Its totient is φ = 10656720.

The previous prime is 11572417. The next prime is 11572469. The reversal of 11572457 is 75427511.

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 11572457 - 2¹⁰ = 11571433 is a prime.

It is a super-2 number, since 2×11572457² = 267843522033698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11572417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6644 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (1561560).

Almost surely, 2^11572457 is an apocalyptic number.

It is an amenable number.

11572457 is a deficient number, since it is larger than the sum of its proper divisors (920023).

11572457 is a wasteful number, since it uses less digits than its factorization.

11572457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its digits is 9800, while the sum is 32.

The square root of 11572457 is about 3401.8314185156. The cubic root of 11572457 is about 226.1909329645.

Adding to 11572457 its reverse (75427511), we get a palindrome (86999968).

The spelling of 11572457 in words is "eleven million, five hundred seventy-two thousand, four hundred fifty-seven".