13000046 has 4 divisors (see below), whose sum is σ = 19500072. Its totient is φ = 6500022.

The previous prime is 13000027. The next prime is 13000049. The reversal of 13000046 is 64000031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250010 + ... + 3250013.

It is an arithmetic number, because the mean of its divisors is an integer number (4875018).

Almost surely, 2^13000046 is an apocalyptic number.

13000046 is a deficient number, since it is larger than the sum of its proper divisors (6500026).

13000046 is an equidigital number, since it uses as much as digits as its factorization.

13000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500025.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13000046 is about 3605.5576545106. The cubic root of 13000046 is about 235.1337461087.

Adding to 13000046 its reverse (64000031), we get a palindrome (77000077).

The spelling of 13000046 in words is "thirteen million, forty-six", and thus it is an aban number and an uban number.