11896690 has 16 divisors (see below), whose sum is σ = 23061528. Its totient is φ = 4392576.

The previous prime is 11896673. The next prime is 11896723. The reversal of 11896690 is 9669811.

It can be written as a sum of positive squares in 4 ways, for example, as 4173849 + 7722841 = 2043^2 + 2779^2 .

It is a super-2 number, since 2×11896690² = 283062465912200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 45627 + ... + 45886.

Almost surely, 2^11896690 is an apocalyptic number.

11896690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11896690 is a deficient number, since it is larger than the sum of its proper divisors (11164838).

11896690 is a wasteful number, since it uses less digits than its factorization.

11896690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91533.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 11896690 is about 3449.1578682339. The cubic root of 11896690 is about 228.2839516466.

The spelling of 11896690 in words is "eleven million, eight hundred ninety-six thousand, six hundred ninety".