13273745 has 8 divisors (see below), whose sum is σ = 16018560. Its totient is φ = 10558960.

The previous prime is 13273739. The next prime is 13273751. The reversal of 13273745 is 54737231.

It is an interprime number because it is at equal distance from previous prime (13273739) and next prime (13273751).

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

It is not a de Polignac number, because 13273745 - 2⁸ = 13273489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (2002320).

Almost surely, 2^13273745 is an apocalyptic number.

It is an amenable number.

13273745 is a deficient number, since it is larger than the sum of its proper divisors (2744815).

13273745 is a wasteful number, since it uses less digits than its factorization.

13273745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015.

The product of its digits is 17640, while the sum is 32.

The square root of 13273745 is about 3643.3151112689. The cubic root of 13273745 is about 236.7724438446.

The spelling of 13273745 in words is "thirteen million, two hundred seventy-three thousand, seven hundred forty-five".