1247341696 has 16 divisors (see below), whose sum is σ = 2484938790. Its totient is φ = 623670784.

The previous prime is 1247341661. The next prime is 1247341759. The reversal of 1247341696 is 6961437421.

It can be written as a sum of positive squares in only one way, i.e., 1191630400 + 55711296 = 34520^2 + 7464^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1247341696² = 3111722613160312832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872301 + ... + 4872556.

Almost surely, 2^1247341696 is an apocalyptic number.

1247341696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1247341696 is a deficient number, since it is larger than the sum of its proper divisors (1237597094).

1247341696 is an frugal number, since it uses more digits than its factorization.

1247341696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744871 (or 9744859 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 1247341696 is about 35317.7249550421. The cubic root of 1247341696 is about 1076.4531840799.

The spelling of 1247341696 in words is "one billion, two hundred forty-seven million, three hundred forty-one thousand, six hundred ninety-six".