13115412 has 24 divisors (see below), whose sum is σ = 34003200. Its totient is φ = 4371768.

The previous prime is 13115371. The next prime is 13115423. The reversal of 13115412 is 21451131.

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 7 ways as a sum of consecutive naturals, for example, 60612 + ... + 60827.

It is an arithmetic number, because the mean of its divisors is an integer number (1416800).

Almost surely, 2^13115412 is an apocalyptic number.

13115412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13115412 is an abundant number, since it is smaller than the sum of its proper divisors (20887788).

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

13115412 is a wasteful number, since it uses less digits than its factorization.

13115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121452 (or 121444 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 13115412 is about 3621.5206750756. The cubic root of 13115412 is about 235.8272459760.

Adding to 13115412 its reverse (21451131), we get a palindrome (34566543).

The spelling of 13115412 in words is "thirteen million, one hundred fifteen thousand, four hundred twelve".