13307477 has 4 divisors (see below), whose sum is σ = 13392396. Its totient is φ = 13222560.

The previous prime is 13307461. The next prime is 13307507. The reversal of 13307477 is 77470331.

13307477 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 9006001 = 2074^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 13307477 - 2⁴ = 13307461 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 (13307417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42224 + ... + 42537.

It is an arithmetic number, because the mean of its divisors is an integer number (3348099).

Almost surely, 2^13307477 is an apocalyptic number.

It is an amenable number.

13307477 is a deficient number, since it is larger than the sum of its proper divisors (84919).

13307477 is an equidigital number, since it uses as much as digits as its factorization.

13307477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84918.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 13307477 is about 3647.9414743112. The cubic root of 13307477 is about 236.9728407459.

The spelling of 13307477 in words is "thirteen million, three hundred seven thousand, four hundred seventy-seven".