13243412 has 24 divisors (see below), whose sum is σ = 28525056. Its totient is φ = 5239008.

The previous prime is 13243409. The next prime is 13243429. The reversal of 13243412 is 21434231.

It is a super-2 number, since 2×13243412² = 350775922803488, which contains 22 as substring.

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, 17828 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (1188544).

Almost surely, 2^13243412 is an apocalyptic number.

It is an amenable number.

13243412 is an abundant number, since it is smaller than the sum of its proper divisors (15281644).

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

13243412 is a wasteful number, since it uses less digits than its factorization.

13243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36407 (or 36405 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 13243412 is about 3639.1499007323. The cubic root of 13243412 is about 236.5919497879.

Adding to 13243412 its reverse (21434231), we get a palindrome (34677643).

The spelling of 13243412 in words is "thirteen million, two hundred forty-three thousand, four hundred twelve".