13242477 has 4 divisors (see below), whose sum is σ = 17656640. Its totient is φ = 8828316.

The previous prime is 13242443. The next prime is 13242497. The reversal of 13242477 is 77424231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13242477 - 2¹⁶ = 13176941 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 (13242407) 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, 2207077 + ... + 2207082.

It is an arithmetic number, because the mean of its divisors is an integer number (4414160).

Almost surely, 2^13242477 is an apocalyptic number.

It is an amenable number.

13242477 is a deficient number, since it is larger than the sum of its proper divisors (4414163).

13242477 is an equidigital number, since it uses as much as digits as its factorization.

13242477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414162.

The product of its digits is 9408, while the sum is 30.

The square root of 13242477 is about 3639.0214343969. The cubic root of 13242477 is about 236.5863817696.

The spelling of 13242477 in words is "thirteen million, two hundred forty-two thousand, four hundred seventy-seven".