11522457 has 12 divisors (see below), whose sum is σ = 16733184. Its totient is φ = 7640280.

The previous prime is 11522453. The next prime is 11522477. The reversal of 11522457 is 75422511.

It is not a de Polignac number, because 11522457 - 2² = 11522453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11522457.

It is not an unprimeable number, because it can be changed into a prime (11522453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1633 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (1394432).

Almost surely, 2^11522457 is an apocalyptic number.

It is an amenable number.

11522457 is a deficient number, since it is larger than the sum of its proper divisors (5210727).

11522457 is a wasteful number, since it uses less digits than its factorization.

11522457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900 (or 6897 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 11522457 is about 3394.4744806818. The cubic root of 11522457 is about 225.8647022173.

Adding to 11522457 its reverse (75422511), we get a palindrome (86944968).

The spelling of 11522457 in words is "eleven million, five hundred twenty-two thousand, four hundred fifty-seven".