13019954 has 4 divisors (see below), whose sum is σ = 19529934. Its totient is φ = 6509976.

The previous prime is 13019953. The next prime is 13019957. The reversal of 13019954 is 45991031.

13019954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 452929 = 3545^2 + 673^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13019954.

It is not an unprimeable number, because it can be changed into a prime (13019953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3254987 + ... + 3254990.

Almost surely, 2^13019954 is an apocalyptic number.

13019954 is a deficient number, since it is larger than the sum of its proper divisors (6509980).

13019954 is an equidigital number, since it uses as much as digits as its factorization.

13019954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509979.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 13019954 is about 3608.3173363772. The cubic root of 13019954 is about 235.2537112012.

The spelling of 13019954 in words is "thirteen million, nineteen thousand, nine hundred fifty-four".