11864690 has 16 divisors (see below), whose sum is σ = 21650328. Its totient is φ = 4680576.

The previous prime is 11864687. The next prime is 11864717. The reversal of 11864690 is 9646811.

It can be written as a sum of positive squares in 4 ways, for example, as 10608049 + 1256641 = 3257^2 + 1121^2 .

It is a super-2 number, since 2×11864690² = 281541737592200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11864690.

It is an unprimeable number.

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, 7397 + ... + 8856.

Almost surely, 2^11864690 is an apocalyptic number.

11864690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11864690 is a deficient number, since it is larger than the sum of its proper divisors (9785638).

11864690 is a wasteful number, since it uses less digits than its factorization.

11864690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 11864690 is about 3444.5159311578. The cubic root of 11864690 is about 228.0790866503.

The spelling of 11864690 in words is "eleven million, eight hundred sixty-four thousand, six hundred ninety".