19675965 has 16 divisors (see below), whose sum is σ = 31808448. Its totient is φ = 10384896.

The previous prime is 19675951. The next prime is 19675973. The reversal of 19675965 is 56957691.

It is not a de Polignac number, because 19675965 - 2⁵ = 19675933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (1988028).

Almost surely, 2^19675965 is an apocalyptic number.

19675965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19675965 is a deficient number, since it is larger than the sum of its proper divisors (12132483).

19675965 is a wasteful number, since it uses less digits than its factorization.

19675965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628.

The product of its digits is 510300, while the sum is 48.

The square root of 19675965 is about 4435.7597996285. The cubic root of 19675965 is about 269.9678288143.

The spelling of 19675965 in words is "nineteen million, six hundred seventy-five thousand, nine hundred sixty-five".