11690657 has 12 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 10484760.

The previous prime is 11690593. The next prime is 11690677. The reversal of 11690657 is 75609611.

It is not a de Polignac number, because 11690657 - 2⁶ = 11690593 is a prime.

It is a super-3 number, since 3×11690657³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (11690677) 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, 8948 + ... + 10170.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 2^11690657 is an apocalyptic number.

It is an amenable number.

11690657 is a deficient number, since it is larger than the sum of its proper divisors (1332703).

11690657 is a wasteful number, since it uses less digits than its factorization.

11690657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 11690657 is about 3419.1602770271. The cubic root of 11690657 is about 226.9584235602.

The spelling of 11690657 in words is "eleven million, six hundred ninety thousand, six hundred fifty-seven".