13374509 has 2 divisors, whose sum is σ = 13374510. Its totient is φ = 13374508.

The previous prime is 13374479. The next prime is 13374541. The reversal of 13374509 is 90547331.

It is a happy number.

It is an a-pointer prime, because the next prime (13374541) can be obtained adding 13374509 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 2550409 = 3290^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 13374509 - 2⁸ = 13374253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13374589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687254 + 6687255.

It is an arithmetic number, because the mean of its divisors is an integer number (6687255).

Almost surely, 2^13374509 is an apocalyptic number.

It is an amenable number.

13374509 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374509 is an equidigital number, since it uses as much as digits as its factorization.

13374509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13374509 is about 3657.1175808278. The cubic root of 13374509 is about 237.3700652145.

The spelling of 13374509 in words is "thirteen million, three hundred seventy-four thousand, five hundred nine".