1201657713 has 8 divisors (see below), whose sum is σ = 1603895328. Its totient is φ = 800262624.

The previous prime is 1201657693. The next prime is 1201657759. The reversal of 1201657713 is 3177561021.

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

It is not a de Polignac number, because 1201657713 - 2¹² = 1201653617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201650713) 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, 207295 + ... + 213012.

It is an arithmetic number, because the mean of its divisors is an integer number (200486916).

Almost surely, 2^1201657713 is an apocalyptic number.

It is an amenable number.

1201657713 is a deficient number, since it is larger than the sum of its proper divisors (402237615).

1201657713 is an equidigital number, since it uses as much as digits as its factorization.

1201657713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421263.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 1201657713 is about 34664.9349198870. The cubic root of 1201657713 is about 1063.1476726216.

The spelling of 1201657713 in words is "one billion, two hundred one million, six hundred fifty-seven thousand, seven hundred thirteen".