1373429 has 4 divisors (see below), whose sum is σ = 1375776. Its totient is φ = 1371084.

The previous prime is 1373419. The next prime is 1373431. The reversal of 1373429 is 9243731.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9243731 = 7 ⋅1320533.

It is a cyclic number.

It is not a de Polignac number, because 1373429 - 2⁸ = 1373173 is a prime.

It is a d-powerful number, because it can be written as 1 + 3 + 7⁷ + 3¹² + 4⁷ + 2¹¹ + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (343944).

2^1373429 is an apocalyptic number.

It is an amenable number.

1373429 is a deficient number, since it is larger than the sum of its proper divisors (2347).

1373429 is a wasteful number, since it uses less digits than its factorization.

1373429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its digits is 4536, while the sum is 29.

The square root of 1373429 is about 1171.9338718546. The cubic root of 1373429 is about 111.1566384169.

The spelling of 1373429 in words is "one million, three hundred seventy-three thousand, four hundred twenty-nine".