12131334 has 24 divisors (see below), whose sum is σ = 26409240. Its totient is φ = 4024608.

The previous prime is 12131321. The next prime is 12131347. The reversal of 12131334 is 43313121.

It is an interprime number because it is at equal distance from previous prime (12131321) and next prime (12131347).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2602 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (1100385).

Almost surely, 2^12131334 is an apocalyptic number.

12131334 is an abundant number, since it is smaller than the sum of its proper divisors (14277906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131334 is a wasteful number, since it uses less digits than its factorization.

12131334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3201 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 12131334 is about 3483.0064599423. The cubic root of 12131334 is about 229.7750415440.

Adding to 12131334 its reverse (43313121), we get a palindrome (55444455).

The spelling of 12131334 in words is "twelve million, one hundred thirty-one thousand, three hundred thirty-four".