13069477 has 4 divisors (see below), whose sum is σ = 13169376. Its totient is φ = 12969580.

The previous prime is 13069457. The next prime is 13069487. The reversal of 13069477 is 77496031.

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 a de Polignac number, because none of the positive numbers 2^k-13069477 is a prime.

It is a super-2 number, since 2×13069477² = 341622458107058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49753 + ... + 50014.

It is an arithmetic number, because the mean of its divisors is an integer number (3292344).

Almost surely, 2^13069477 is an apocalyptic number.

It is an amenable number.

13069477 is a deficient number, since it is larger than the sum of its proper divisors (99899).

13069477 is an equidigital number, since it uses as much as digits as its factorization.

13069477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99898.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 13069477 is about 3615.1731632109. The cubic root of 13069477 is about 235.5516059900.

The spelling of 13069477 in words is "thirteen million, sixty-nine thousand, four hundred seventy-seven".