69012813 has 8 divisors (see below), whose sum is σ = 93277888. Its totient is φ = 45378144.

The previous prime is 69012803. The next prime is 69012821. The reversal of 69012813 is 31821096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69012813 - 2⁸ = 69012557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69012803) 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, 157345 + ... + 157782.

It is an arithmetic number, because the mean of its divisors is an integer number (11659736).

Almost surely, 2^69012813 is an apocalyptic number.

It is an amenable number.

69012813 is a deficient number, since it is larger than the sum of its proper divisors (24265075).

69012813 is a wasteful number, since it uses less digits than its factorization.

69012813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315203.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 69012813 is about 8307.3950790847. The cubic root of 69012813 is about 410.1819794976.

The spelling of 69012813 in words is "sixty-nine million, twelve thousand, eight hundred thirteen".