13367745 has 12 divisors (see below), whose sum is σ = 23170836. Its totient is φ = 7129440.

The previous prime is 13367719. The next prime is 13367749. The reversal of 13367745 is 54776331.

It can be written as a sum of positive squares in 2 ways, for example, as 10575504 + 2792241 = 3252^2 + 1671^2 .

It is not a de Polignac number, because 13367745 - 2¹¹ = 13365697 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13367749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148486 + ... + 148575.

It is an arithmetic number, because the mean of its divisors is an integer number (1930903).

Almost surely, 2^13367745 is an apocalyptic number.

13367745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13367745 is a deficient number, since it is larger than the sum of its proper divisors (9803091).

13367745 is a wasteful number, since it uses less digits than its factorization.

13367745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297072 (or 297069 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 13367745 is about 3656.1926918586. The cubic root of 13367745 is about 237.3300427643.

The spelling of 13367745 in words is "thirteen million, three hundred sixty-seven thousand, seven hundred forty-five".