11980431 has 12 divisors (see below), whose sum is σ = 18216120. Its totient is φ = 7566480.

The previous prime is 11980421. The next prime is 11980433. The reversal of 11980431 is 13408911.

It is not a de Polignac number, because 11980431 - 2⁵ = 11980399 is a prime.

It is a super-2 number, since 2×11980431² = 287061453891522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11980395 and 11980404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980433) 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, 34860 + ... + 35201.

It is an arithmetic number, because the mean of its divisors is an integer number (1518010).

Almost surely, 2^11980431 is an apocalyptic number.

11980431 is a deficient number, since it is larger than the sum of its proper divisors (6235689).

11980431 is a wasteful number, since it uses less digits than its factorization.

11980431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70086 (or 70083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11980431 is about 3461.2759208130. The cubic root of 11980431 is about 228.8183312839.

The spelling of 11980431 in words is "eleven million, nine hundred eighty thousand, four hundred thirty-one".