13417245 has 36 divisors (see below), whose sum is σ = 24208860. Its totient is φ = 7138368.

The previous prime is 13417237. The next prime is 13417307. The reversal of 13417245 is 54271431.

13417245 is a `hidden beast` number, since 1 + 3 + 417 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8982009 + 4435236 = 2997^2 + 2106^2 .

It is not a de Polignac number, because 13417245 - 2³ = 13417237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32601 + ... + 33009.

Almost surely, 2^13417245 is an apocalyptic number.

13417245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13417245 is a deficient number, since it is larger than the sum of its proper divisors (10791615).

13417245 is an frugal number, since it uses more digits than its factorization.

13417245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 417 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13417245 is about 3662.9557736888. The cubic root of 13417245 is about 237.6226218131.

Adding to 13417245 its reverse (54271431), we get a palindrome (67688676).

The spelling of 13417245 in words is "thirteen million, four hundred seventeen thousand, two hundred forty-five".