1234472513 has 4 divisors (see below), whose sum is σ = 1242046128. Its totient is φ = 1226898900.

The previous prime is 1234472489. The next prime is 1234472543. The reversal of 1234472513 is 3152744321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234472513 - 2⁸ = 1234472257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234472513.

It is not an unprimeable number, because it can be changed into a prime (1234472543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786563 + ... + 3786888.

It is an arithmetic number, because the mean of its divisors is an integer number (310511532).

Almost surely, 2^1234472513 is an apocalyptic number.

It is an amenable number.

1234472513 is a deficient number, since it is larger than the sum of its proper divisors (7573615).

1234472513 is an equidigital number, since it uses as much as digits as its factorization.

1234472513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573614.

The product of its digits is 20160, while the sum is 32.

The square root of 1234472513 is about 35135.0610217202. The cubic root of 1234472513 is about 1072.7383532852.

The spelling of 1234472513 in words is "one billion, two hundred thirty-four million, four hundred seventy-two thousand, five hundred thirteen".