13983154 has 4 divisors (see below), whose sum is σ = 20974734. Its totient is φ = 6991576.

The previous prime is 13983131. The next prime is 13983157. The reversal of 13983154 is 45138931.

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., 7144929 + 6838225 = 2673^2 + 2615^2 .

It is not an unprimeable number, because it can be changed into a prime (13983157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495787 + ... + 3495790.

Almost surely, 2^13983154 is an apocalyptic number.

13983154 is a deficient number, since it is larger than the sum of its proper divisors (6991580).

13983154 is an equidigital number, since it uses as much as digits as its factorization.

13983154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991579.

The product of its digits is 12960, while the sum is 34.

The square root of 13983154 is about 3739.4055677340. The cubic root of 13983154 is about 240.9175179593.

The spelling of 13983154 in words is "thirteen million, nine hundred eighty-three thousand, one hundred fifty-four".