1297613006 has 4 divisors (see below), whose sum is σ = 1946419512. Its totient is φ = 648806502.

The previous prime is 1297613003. The next prime is 1297613017. The reversal of 1297613006 is 6003167921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297613003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324403250 + ... + 324403253.

It is an arithmetic number, because the mean of its divisors is an integer number (486604878).

Almost surely, 2^1297613006 is an apocalyptic number.

1297613006 is a deficient number, since it is larger than the sum of its proper divisors (648806506).

1297613006 is an equidigital number, since it uses as much as digits as its factorization.

1297613006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648806505.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1297613006 is about 36022.3958947763. The cubic root of 1297613006 is about 1090.7244870682.

The spelling of 1297613006 in words is "one billion, two hundred ninety-seven million, six hundred thirteen thousand, six".