13452731 has 2 divisors, whose sum is σ = 13452732. Its totient is φ = 13452730.

The previous prime is 13452697. The next prime is 13452739. The reversal of 13452731 is 13725431.

It is a strong prime.

It is an emirp because it is prime and its reverse (13725431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13452731 - 2¹⁰ = 13451707 is a prime.

It is a super-2 number, since 2×13452731² = 361951942716722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13452731.

It is not a weakly prime, because it can be changed into another prime (13452739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726365 + 6726366.

It is an arithmetic number, because the mean of its divisors is an integer number (6726366).

Almost surely, 2^13452731 is an apocalyptic number.

13452731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452731 is an equidigital number, since it uses as much as digits as its factorization.

13452731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 13452731 is about 3667.7964774507. The cubic root of 13452731 is about 237.8319259176.

The spelling of 13452731 in words is "thirteen million, four hundred fifty-two thousand, seven hundred thirty-one".