13769749 has 4 divisors (see below), whose sum is σ = 15736864. Its totient is φ = 11802636.

The previous prime is 13769729. The next prime is 13769753. The reversal of 13769749 is 94796731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13769749 - 2¹³ = 13761557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13769699 and 13769708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983547 + ... + 983560.

It is an arithmetic number, because the mean of its divisors is an integer number (3934216).

Almost surely, 2^13769749 is an apocalyptic number.

It is an amenable number.

13769749 is a deficient number, since it is larger than the sum of its proper divisors (1967115).

13769749 is an equidigital number, since it uses as much as digits as its factorization.

13769749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967114.

The product of its digits is 285768, while the sum is 46.

The square root of 13769749 is about 3710.7612426563. The cubic root of 13769749 is about 239.6856358634.

The spelling of 13769749 in words is "thirteen million, seven hundred sixty-nine thousand, seven hundred forty-nine".