1297534413 has 8 divisors (see below), whose sum is σ = 1977195328. Its totient is φ = 741448224.

The previous prime is 1297534411. The next prime is 1297534429. The reversal of 1297534413 is 3144357921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1297534413 - 2¹ = 1297534411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297534411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30893656 + ... + 30893697.

It is an arithmetic number, because the mean of its divisors is an integer number (247149416).

Almost surely, 2^1297534413 is an apocalyptic number.

It is an amenable number.

1297534413 is a deficient number, since it is larger than the sum of its proper divisors (679660915).

1297534413 is an equidigital number, since it uses as much as digits as its factorization.

1297534413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61787363.

The product of its digits is 90720, while the sum is 39.

The square root of 1297534413 is about 36021.3049874654. The cubic root of 1297534413 is about 1090.7024658544.

The spelling of 1297534413 in words is "one billion, two hundred ninety-seven million, five hundred thirty-four thousand, four hundred thirteen".