13940998 has 4 divisors (see below), whose sum is σ = 20911500. Its totient is φ = 6970498.

The previous prime is 13940989. The next prime is 13941007. The reversal of 13940998 is 89904931.

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

It is an interprime number because it is at equal distance from previous prime (13940989) and next prime (13941007).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485248 + ... + 3485251.

It is an arithmetic number, because the mean of its divisors is an integer number (5227875).

Almost surely, 2^13940998 is an apocalyptic number.

13940998 is a deficient number, since it is larger than the sum of its proper divisors (6970502).

13940998 is an equidigital number, since it uses as much as digits as its factorization.

13940998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970501.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 13940998 is about 3733.7645881871. The cubic root of 13940998 is about 240.6751705810.

The spelling of 13940998 in words is "thirteen million, nine hundred forty thousand, nine hundred ninety-eight".