1306180497 has 8 divisors (see below), whose sum is σ = 1752667456. Its totient is φ = 865240272.

The previous prime is 1306180489. The next prime is 1306180541. The reversal of 1306180497 is 7940816031.

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

It is not a de Polignac number, because 1306180497 - 2³ = 1306180489 is a prime.

It is a super-2 number, since 2×1306180497² = 3412214981486334018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306180417) 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, 1386133 + ... + 1387074.

It is an arithmetic number, because the mean of its divisors is an integer number (219083432).

Almost surely, 2^1306180497 is an apocalyptic number.

It is an amenable number.

1306180497 is a deficient number, since it is larger than the sum of its proper divisors (446486959).

1306180497 is a wasteful number, since it uses less digits than its factorization.

1306180497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773367.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1306180497 is about 36141.1191996042. The cubic root of 1306180497 is about 1093.1197263787.

The spelling of 1306180497 in words is "one billion, three hundred six million, one hundred eighty thousand, four hundred ninety-seven".