1213553707 has 8 divisors (see below), whose sum is σ = 1237856256. Its totient is φ = 1189481832.

The previous prime is 1213553701. The next prime is 1213553741. The reversal of 1213553707 is 7073553121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213553707 - 2¹⁵ = 1213520939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213553701) 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, 47023 + ... + 68104.

It is an arithmetic number, because the mean of its divisors is an integer number (154732032).

Almost surely, 2^1213553707 is an apocalyptic number.

1213553707 is a deficient number, since it is larger than the sum of its proper divisors (24302549).

1213553707 is a wasteful number, since it uses less digits than its factorization.

1213553707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115337.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1213553707 is about 34836.0977579292. The cubic root of 1213553707 is about 1066.6444232449.

The spelling of 1213553707 in words is "one billion, two hundred thirteen million, five hundred fifty-three thousand, seven hundred seven".