1302676397 has 4 divisors (see below), whose sum is σ = 1421101536. Its totient is φ = 1184251260.

The previous prime is 1302676373. The next prime is 1302676421. The reversal of 1302676397 is 7936762031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1302676373) and next prime (1302676421).

It is a cyclic number.

It is not a de Polignac number, because 1302676397 - 2¹⁰ = 1302675373 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 (1302676337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59212553 + ... + 59212574.

It is an arithmetic number, because the mean of its divisors is an integer number (355275384).

Almost surely, 2^1302676397 is an apocalyptic number.

It is an amenable number.

1302676397 is a deficient number, since it is larger than the sum of its proper divisors (118425139).

1302676397 is a wasteful number, since it uses less digits than its factorization.

1302676397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118425138.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 1302676397 is about 36092.6086200485. The cubic root of 1302676397 is about 1092.1413441828.

The spelling of 1302676397 in words is "one billion, three hundred two million, six hundred seventy-six thousand, three hundred ninety-seven".