1213675480 has 32 divisors (see below), whose sum is σ = 2804577840. Its totient is φ = 472348800.

The previous prime is 1213675457. The next prime is 1213675487. The reversal of 1213675480 is 845763121.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213675487) 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, 408546 + ... + 411505.

Almost surely, 2^1213675480 is an apocalyptic number.

1213675480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213675480 is an abundant number, since it is smaller than the sum of its proper divisors (1590902360).

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

1213675480 is a wasteful number, since it uses less digits than its factorization.

1213675480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820099 (or 820095 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1213675480 is about 34837.8455131772. The cubic root of 1213675480 is about 1066.6800992232.

It can be divided in two parts, 12136 and 75480, that added together give a square (87616 = 296²).

The spelling of 1213675480 in words is "one billion, two hundred thirteen million, six hundred seventy-five thousand, four hundred eighty".