11690642 has 4 divisors (see below), whose sum is σ = 17535966. Its totient is φ = 5845320.

The previous prime is 11690593. The next prime is 11690677. The reversal of 11690642 is 24609611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 4977361 = 2591^2 + 2231^2 .

It is a super-2 number, since 2×11690642² = 273342220744328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922659 + ... + 2922662.

Almost surely, 2^11690642 is an apocalyptic number.

11690642 is a deficient number, since it is larger than the sum of its proper divisors (5845324).

11690642 is an equidigital number, since it uses as much as digits as its factorization.

11690642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845323.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 11690642 is about 3419.1580835054. The cubic root of 11690642 is about 226.9583264918.

The spelling of 11690642 in words is "eleven million, six hundred ninety thousand, six hundred forty-two".