13406328 has 48 divisors (see below), whose sum is σ = 39104520. Its totient is φ = 4124736.

The previous prime is 13406317. The next prime is 13406339. The reversal of 13406328 is 82360431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13406317) and next prime (13406339).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6226 + ... + 8097.

Almost surely, 2^13406328 is an apocalyptic number.

13406328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13406328 is an abundant number, since it is smaller than the sum of its proper divisors (25698192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13406328 is a wasteful number, since it uses less digits than its factorization.

13406328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14348 (or 14341 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13406328 is about 3661.4652804581. The cubic root of 13406328 is about 237.5581567644.

Adding to 13406328 its reverse (82360431), we get a palindrome (95766759).

The spelling of 13406328 in words is "thirteen million, four hundred six thousand, three hundred twenty-eight".