19713274 has 16 divisors (see below), whose sum is σ = 33921216. Its totient is φ = 8416800.

The previous prime is 19713263. The next prime is 19713299. The reversal of 19713274 is 47231791.

It is a super-2 number, since 2×19713274² = 777226343598152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (2120076).

Almost surely, 2^19713274 is an apocalyptic number.

19713274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19713274 is a deficient number, since it is larger than the sum of its proper divisors (14207942).

19713274 is a wasteful number, since it uses less digits than its factorization.

19713274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301.

The product of its digits is 10584, while the sum is 34.

The square root of 19713274 is about 4439.9632881365. The cubic root of 19713274 is about 270.1383561591.

The spelling of 19713274 in words is "nineteen million, seven hundred thirteen thousand, two hundred seventy-four".