12355031 has 16 divisors (see below), whose sum is σ = 13824384. Its totient is φ = 10969344.

The previous prime is 12354983. The next prime is 12355043. The reversal of 12355031 is 13055321.

It is a cyclic number.

It is not a de Polignac number, because 12355031 - 2⁶ = 12354967 is a prime.

It is a super-2 number, since 2×12355031² = 305293582021922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12354994 and 12355012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44465 + ... + 44741.

It is an arithmetic number, because the mean of its divisors is an integer number (864024).

Almost surely, 2^12355031 is an apocalyptic number.

12355031 is a deficient number, since it is larger than the sum of its proper divisors (1469353).

12355031 is a wasteful number, since it uses less digits than its factorization.

12355031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12355031 is about 3514.9724038746. The cubic root of 12355031 is about 231.1787688086.

The spelling of 12355031 in words is "twelve million, three hundred fifty-five thousand, thirty-one".