1246215216 has 40 divisors (see below), whose sum is σ = 3228984304. Its totient is φ = 414167040.

The previous prime is 1246215211. The next prime is 1246215259. The reversal of 1246215216 is 6125126421.

It is not an unprimeable number, because it can be changed into a prime (1246215211) 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, 22345 + ... + 54696.

Almost surely, 2^1246215216 is an apocalyptic number.

1246215216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1246215216 is an abundant number, since it is smaller than the sum of its proper divisors (1982769088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1246215216 is a wasteful number, since it uses less digits than its factorization.

1246215216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77389 (or 77383 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1246215216 is about 35301.7735531800. The cubic root of 1246215216 is about 1076.1290365466.

The spelling of 1246215216 in words is "one billion, two hundred forty-six million, two hundred fifteen thousand, two hundred sixteen".