1342669 has 2 divisors, whose sum is σ = 1342670. Its totient is φ = 1342668.

The previous prime is 1342667. The next prime is 1342697. The reversal of 1342669 is 9662431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 265225 = 1038^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342669 - 2¹ = 1342667 is a prime.

It is a super-2 number, since 2×1342669² = 3605520087122, which contains 22 as substring.

Together with 1342667, it forms a pair of twin primes.

1342669 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1342669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671334 + 671335.

It is an arithmetic number, because the mean of its divisors is an integer number (671335).

2^1342669 is an apocalyptic number.

It is an amenable number.

1342669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342669 is an equidigital number, since it uses as much as digits as its factorization.

1342669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 1342669 is about 1158.7359492136. The cubic root of 1342669 is about 110.3205251807.

It can be divided in two parts, 1342 and 669, that multiplied together give a palindrome (897798).

The spelling of 1342669 in words is "one million, three hundred forty-two thousand, six hundred sixty-nine".