13406337 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 7565184.

The previous prime is 13406317. The next prime is 13406339. The reversal of 13406337 is 73360431.

It is a happy number.

It is not a de Polignac number, because 13406337 - 2¹¹ = 13404289 is a prime.

It is a super-4 number, since 4×13406337⁴ (a number of 30 digits) contains 4444 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13406337.

It is not an unprimeable number, because it can be changed into a prime (13406339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16423 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^13406337 is an apocalyptic number.

It is an amenable number.

13406337 is a deficient number, since it is larger than the sum of its proper divisors (9576063).

13406337 is an equidigital number, since it uses as much as digits as its factorization.

13406337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 13406337 is about 3661.4665094740. The cubic root of 13406337 is about 237.5582099240.

Adding to 13406337 its reverse (73360431), we get a palindrome (86766768).

The spelling of 13406337 in words is "thirteen million, four hundred six thousand, three hundred thirty-seven".