12351131 has 8 divisors (see below), whose sum is σ = 13407744. Its totient is φ = 11309760.

The previous prime is 12351103. The next prime is 12351133. The reversal of 12351131 is 13115321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12351131 - 2¹⁸ = 12088987 is a prime.

It is a super-2 number, since 2×12351131² = 305100873958322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1675968).

Almost surely, 2^12351131 is an apocalyptic number.

12351131 is a deficient number, since it is larger than the sum of its proper divisors (1056613).

12351131 is a wasteful number, since it uses less digits than its factorization.

12351131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621.

The product of its digits is 90, while the sum is 17.

The square root of 12351131 is about 3514.4175904408. The cubic root of 12351131 is about 231.1544415506.

Adding to 12351131 its reverse (13115321), we get a palindrome (25466452).

The spelling of 12351131 in words is "twelve million, three hundred fifty-one thousand, one hundred thirty-one".