13225397 has 2 divisors, whose sum is σ = 13225398. Its totient is φ = 13225396.

The previous prime is 13225393. The next prime is 13225403. The reversal of 13225397 is 79352231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 5193841 = 2834^2 + 2279^2 .

It is a cyclic number.

It is not a de Polignac number, because 13225397 - 2² = 13225393 is a prime.

It is a super-2 number, since 2×13225397² = 349822251615218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13225393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612698 + 6612699.

It is an arithmetic number, because the mean of its divisors is an integer number (6612699).

Almost surely, 2^13225397 is an apocalyptic number.

It is an amenable number.

13225397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225397 is an equidigital number, since it uses as much as digits as its factorization.

13225397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 13225397 is about 3636.6738924462. The cubic root of 13225397 is about 236.4846225104.

The spelling of 13225397 in words is "thirteen million, two hundred twenty-five thousand, three hundred ninety-seven".