11457690 has 32 divisors (see below), whose sum is σ = 27587520. Its totient is φ = 3045504.

The previous prime is 11457683. The next prime is 11457701. The reversal of 11457690 is 9675411.

It is a super-2 number, since 2×11457690² = 262557320272200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18201 + ... + 18819.

It is an arithmetic number, because the mean of its divisors is an integer number (862110).

Almost surely, 2^11457690 is an apocalyptic number.

11457690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11457690 is an abundant number, since it is smaller than the sum of its proper divisors (16129830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11457690 is a wasteful number, since it uses less digits than its factorization.

11457690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 11457690 is about 3384.9209739667. The cubic root of 11457690 is about 225.4407164345.

The spelling of 11457690 in words is "eleven million, four hundred fifty-seven thousand, six hundred ninety".