13097746 has 4 divisors (see below), whose sum is σ = 19646622. Its totient is φ = 6548872.

The previous prime is 13097743. The next prime is 13097753. The reversal of 13097746 is 64779031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64779031 = 1181 ⋅54851.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 1022121 = 3475^2 + 1011^2 .

It is not an unprimeable number, because it can be changed into a prime (13097743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274435 + ... + 3274438.

Almost surely, 2^13097746 is an apocalyptic number.

13097746 is a deficient number, since it is larger than the sum of its proper divisors (6548876).

13097746 is an equidigital number, since it uses as much as digits as its factorization.

13097746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548875.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 13097746 is about 3619.0808225294. The cubic root of 13097746 is about 235.7213147233.

The spelling of 13097746 in words is "thirteen million, ninety-seven thousand, seven hundred forty-six".