1219970713 has 8 divisors (see below), whose sum is σ = 1325442888. Its totient is φ = 1116159744.

The previous prime is 1219970701. The next prime is 1219970723. The reversal of 1219970713 is 3170799121.

It can be written as a sum of positive squares in 4 ways, for example, as 12616704 + 1207354009 = 3552^2 + 34747^2 .

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 1219970713 - 2²¹ = 1217873561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219970723) 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, 413770 + ... + 416707.

It is an arithmetic number, because the mean of its divisors is an integer number (165680361).

Almost surely, 2^1219970713 is an apocalyptic number.

1219970713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1219970713 is a deficient number, since it is larger than the sum of its proper divisors (105472175).

1219970713 is a wasteful number, since it uses less digits than its factorization.

1219970713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830603.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 1219970713 is about 34928.0791484445. The cubic root of 1219970713 is about 1068.5211797990.

The spelling of 1219970713 in words is "one billion, two hundred nineteen million, nine hundred seventy thousand, seven hundred thirteen".