13312407 has 8 divisors (see below), whose sum is σ = 18684160. Its totient is φ = 8407800.

The previous prime is 13312399. The next prime is 13312433. The reversal of 13312407 is 70421331.

13312407 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13312407 - 2³ = 13312399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312477) 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, 116719 + ... + 116832.

It is an arithmetic number, because the mean of its divisors is an integer number (2335520).

Almost surely, 2^13312407 is an apocalyptic number.

13312407 is a deficient number, since it is larger than the sum of its proper divisors (5371753).

13312407 is a wasteful number, since it uses less digits than its factorization.

13312407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233573.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13312407 is about 3648.6171352993. The cubic root of 13312407 is about 237.0021007843.

Adding to 13312407 its reverse (70421331), we get a palindrome (83733738).

The spelling of 13312407 in words is "thirteen million, three hundred twelve thousand, four hundred seven".