11949907 has 4 divisors (see below), whose sum is σ = 12002320. Its totient is φ = 11897496.

The previous prime is 11949893. The next prime is 11949913. The reversal of 11949907 is 70994911.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11949907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11949907.

It is not an unprimeable number, because it can be changed into a prime (11949937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25863 + ... + 26320.

It is an arithmetic number, because the mean of its divisors is an integer number (3000580).

Almost surely, 2^11949907 is an apocalyptic number.

11949907 is a deficient number, since it is larger than the sum of its proper divisors (52413).

11949907 is an equidigital number, since it uses as much as digits as its factorization.

11949907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52412.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 11949907 is about 3456.8637520157. The cubic root of 11949907 is about 228.6238365876.

The spelling of 11949907 in words is "eleven million, nine hundred forty-nine thousand, nine hundred seven".