13225401 has 12 divisors (see below), whose sum is σ = 21832512. Its totient is φ = 7557336.

The previous prime is 13225397. The next prime is 13225403. The reversal of 13225401 is 10452231.

It is not a de Polignac number, because 13225401 - 2² = 13225397 is a prime.

It is a super-2 number, since 2×13225401² = 349822463221602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13225403) 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, 104901 + ... + 105026.

It is an arithmetic number, because the mean of its divisors is an integer number (1819376).

Almost surely, 2^13225401 is an apocalyptic number.

It is an amenable number.

13225401 is a deficient number, since it is larger than the sum of its proper divisors (8607111).

13225401 is a wasteful number, since it uses less digits than its factorization.

13225401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209940 (or 209937 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13225401 is about 3636.6744423993. The cubic root of 13225401 is about 236.4846463519.

Adding to 13225401 its reverse (10452231), we get a palindrome (23677632).

The spelling of 13225401 in words is "thirteen million, two hundred twenty-five thousand, four hundred one".